Home / 91,121.33-125,763.36-58,895.48

Finding the Fourth Proportional to 91,121.33, 125,763.36 and 58,895.48

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Solution

The fourth proportional to 91,121.33, 125,763.36 and 58,895.48 is: 81,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,121.33 : 125,763.36 = 58,895.48 : x
  2. Step 2: Convert to fraction form
    91,121.33/125,763.36 = 58,895.48/x
  3. Step 3: Cross multiply
    91,121.33x = 125,763.36 × 58,895.48
  4. Step 4: Simplify right side
    91,121.33x = 7,406,893,453.61
  5. Step 5: Solve for x
    x = 7,406,893,453.61/91,121.33
  6. Step 6: Final answer
    x = 81,286.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.